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AX-SFEU-API 数据表(PDF) 18 Page - ON Semiconductor |
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AX-SFEU-API 数据表(HTML) 18 Page - ON Semiconductor |
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18 / 22 page ![]() AX−SFEU, AX−SFEU−API www.onsemi.com 18 QFN40 PACKAGE INFORMATION QFN40 Soldering Profile Figure 6. QFN40 Soldering Profile Preheat Reflow Cooling TP TL TsMAX TsMIN ts tL tP T25°C to Peak Time 25°C Table 12. Profile Feature Pb−Free Process Average Ramp−Up Rate 3°C/s max. Preheat Preheat Temperature Min TsMIN 150°C Temperature Max TsMAX 200°C Time (TsMIN to TsMAX) ts 60 – 180 sec Time 25°C to Peak Temperature T25°C to Peak 8 min max. Reflow Phase Liquidus Temperature TL 217°C Time over Liquidus Temperature tL 60 – 150 s Peak Temperature tp 260°C Time within 5°C of actual Peak Temperature Tp 20 – 40 s Cooling Phase Ramp−down rate 6°C/s max. 5. All temperatures refer to the top side of the package, measured on the package body surface. |
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